CN116020946A

CN116020946A - Stamping die and stamping method for sheet metal stamping part

Info

Publication number: CN116020946A
Application number: CN202310145170.8A
Authority: CN
Inventors: 刘庆朋
Original assignee: Individual
Current assignee: Individual
Priority date: 2023-02-21
Filing date: 2023-02-21
Publication date: 2023-04-28

Abstract

The invention relates to the technical field of sheet metal machining, in particular to a stamping die of a sheet metal stamping part, which comprises a bottom plate, a supporting plate and a top plate, wherein the top end of the bottom plate is provided with a positioning mechanism for clamping and fixing the sheet metal, the bottom end of the top plate is provided with a stabilizing mechanism for improving the stability of the sheet metal during stamping, one end of the bottom plate, which is positioned below the stabilizing mechanism, is provided with a demolding mechanism for demolding after the sheet metal stamping, and one side of the bottom plate, which is close to the demolding mechanism, is provided with a collecting box for collecting the processed sheet metal.

Description

Stamping die and stamping method for sheet metal stamping part

Technical Field

The invention relates to the technical field of sheet metal machining, in particular to a stamping die of a sheet metal stamping part.

Background

The metal plate has the characteristics of light weight, high strength, low cost, good mass production performance and the like, is widely applied in the fields of electronic appliances, communication, automobile industry, medical appliances and the like, the metal plate stamping is a forming process in the metal plate processing, the stamping die is special process equipment for processing materials into parts in the cold stamping processing, namely the cold stamping die, the materials are subjected to pressure by using a die arranged on a press machine to be separated or plastically deformed, so that the required parts are obtained.

Disclosure of Invention

The invention aims to provide a stamping die for a sheet metal stamping part, which aims to solve the problems in the prior art.

In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a stamping die of panel beating stamping workpiece, includes bottom plate, backup pad, roof, the top of bottom plate is provided with carries out the fixed positioning mechanism of centre gripping to the panel beating, the bottom of roof is provided with the stabilizing mean to stability when improving the panel beating punching press, the one end that the bottom plate is located the stabilizing mean below is provided with the demoulding mechanism to the drawing of patterns after the panel beating punching press processing, one side that the bottom plate is close to the demoulding mechanism is provided with the collecting box of collecting to the panel beating after the processing, one side of backup pad is provided with the oil spout mechanism to panel beating surface spray lubricating oil.

Optionally, the positioning mechanism includes two side baffles that are respectively fixed to be set up in bottom plate top both sides, and two rotate between the side baffle and be provided with the conveying roller, the conveying roller rotates with the bottom plate to be connected.

Optionally, positioning mechanism still includes two clamping components, and two clamping components is including seting up at the inside rotary tank one of bottom plate, the inside rotation of rotary tank one is provided with pivot one, the one end cover that pivot one is located rotary tank one inside is equipped with torsional spring one, torsional spring one and rotary tank one fixed connection, the outside fixed surface of pivot one is provided with the locating plate, spout one has been seted up to the inside of locating plate, the inside slip of spout one is provided with splint, the inside rotation of spout one is provided with the bolt, just bolt and splint spiro union.

Optionally, the locating plate is kept away from the fixed yoke that is provided with in one side of splint, spout second has been seted up to the inboard of side shield, the inside of spout second is fixedly provided with gag lever post first, the outside cover of gag lever post first is equipped with expansion spring first, the inside slip of spout second is provided with yoke second, yoke second and expansion spring fixed connection, just yoke second and gag lever post are through sliding connection, the cover is equipped with same connecting rod between yoke second and the yoke first, just the connecting rod is connected with yoke second, yoke rotation.

Optionally, stabilizing mean is including fixed hydraulic rod one that sets up on the roof top, hydraulic rod one's output is fixed to be provided with the mould, go up the fixed threaded rod one that is provided with in top of mould, just threaded rod one runs through sliding connection with the roof, the guide way has been seted up to one side of going up the mould, threaded rod one's outside cover is equipped with gear one, just gear one rotates with the roof to be connected, go up one side bottom mounting that the mould is close to clamping assembly and be provided with the cutting knife.

Optionally, stabilizing mean still includes two clamping assembly, and two clamping assembly is including rotating the card post that sets up in last mould inside, the fixed gag lever post that is provided with in one end of card post, the fixed gag lever post third that is provided with in one side that goes up the mould and is close to gag lever post second, fixed the same expansion spring second that is provided with between gag lever post second and the gag lever post third, spout third has been seted up to the bottom of going up the mould, the inside slip of spout third is provided with the jack-prop, the fixed expansion spring third that is provided with in top of jack-prop, just expansion spring third's the other end and spout third fixed connection.

Optionally, demoulding mechanism is including seting up the punching press groove that is located last mould below one end at the bottom plate, the inside of punching press groove is fixedly provided with the die holder, the both sides of punching press groove are fixed respectively and are provided with the guide post, just the guide post is located the both sides of die holder, guide post and guide groove adaptation, card post, jack-up post are connected with the die holder movable extrusion.

Optionally, the inside of punching press groove is fixed and is provided with hydraulic stem two, the output of hydraulic stem two is fixed and is provided with the connecting plate, the both sides of connecting plate are fixed respectively and are provided with the drawing of patterns post, just drawing of patterns post, connecting plate and die holder activity extrusion connection, the sword groove has been seted up to the bottom of punching press groove, just sword groove and cutting knife adaptation, one side of punching press groove can be dismantled and be provided with the collecting box.

Optionally, the oil injection mechanism is including fixed the oil tank that sets up in backup pad one side, the inside rotation of oil tank is provided with threaded rod two, just threaded rod two runs through oil tank, roof, the top rotation of roof is provided with gear two, gear two and threaded rod two fixed connection, gear two, the outside cover of gear one are equipped with same drive belt, one side intercommunication of oil tank is provided with the oil transportation hose, the bottom plate is close to the fixed atomizer that is provided with of one end of conveying roller, atomizer and the other end fixed connection that the oil tank was kept away from to the oil transportation hose.

Optionally, the inside sealed slip of oil tank is provided with the closing plate, closing plate and threaded rod second spiro union, rotatory groove second has been seted up to the one end of closing plate, the inside rotation of rotatory groove second is provided with the pivot two, the pivot two is located the inside both ends of rotatory groove second and fixedly respectively is provided with torsional spring two, the outside of pivot two is fixed and is provided with the oil resistance board, oil resistance board and closing plate movable extrusion are connected, just the inner wall extrusion connection of oil resistance board and oil tank.

Compared with the prior art, the invention has the beneficial effects that:

1. before processing the panel beating, place the panel beating between two side shield, the panel beating slides at the surface of conveying roller simultaneously, the convenience promotes the panel beating, when the one end and the locating plate extrusion connection of panel beating, make the locating plate drive pivot one and rotate for the centre of a circle with rotatory groove one, pivot one drives torsional spring one simultaneously and rotates, when two clamping components extrude the panel beating in step, it carries out the centre of a circle to the panel beating to drive the locating plate according to torsional spring one's elasticity, the convenience is fixed a position the panel beating, when the one end of panel beating reachs between stabilizing mean and the demoulding mean, rotate the bolt, make splint slide along spout one, splint are fixed the panel beating, produce when avoiding cutting the panel beating and rock, make the panel beating of cutting have the deviation, when the locating plate rotates, the locating plate drives the axle fork one and removes, the axle fork two is at the inside slip of spout two through the connecting rod simultaneously, the both ends of connecting rod rotate at the axle fork two respectively, simultaneously along the gag lever post one, and the two extrusion expansion springs one, make expansion springs one through fork two, the connecting rod, the axle fork one, the locating plate is held against one, when making the locating plate is more stable to produce the location plate, avoid rocking when producing the panel beating.

2. When the upper die gets into the inside of punching press groove, the die holder carries out the cooperation with the upper die and punches a metal plate, the metal plate extrusion card post breach department is less than the one end of upper die recess department this moment, make card post drive gag lever post second rotation, and gag lever post second pulling telescopic spring second, card post rotation makes the other end extrusion panel beating of card post breach department this moment, make the panel beating laminate the surface of die holder tightly, produce and rock when avoiding punching press the panel beating, influence the punching press effect of panel beating, and after the punching press is ended, hydraulic stem first drive upper die gets back initial position, simultaneously upper die and panel beating no longer extrusion connection, three resilience of telescopic spring drive jack-prop extrusion panel beating simultaneously, avoid the panel beating card to be in the inside of upper die, make the panel beating after the processing more convenient drawing of patterns, improve punching press efficiency.

3. When the upper die moves downwards, the upper die drives the threaded rod to move downwards, the first gear is in threaded connection with the first threaded rod, so the first gear rotates along the first threaded rod, the first gear drives the second gear to rotate through the transmission belt, the second gear drives the second threaded rod to rotate in the oil tank, the sealing plate moves downwards along the threaded rod, and the sealing plate extrudes lubricating oil in the oil tank, so that the lubricating oil in the oil tank extrudes the oil-resisting plate, the oil-resisting plate drives the second rotating shaft to rotate along the second rotating groove, and the second rotating shaft twists the torsion spring, at the moment, the lubricating oil enters the upper part of the sealing plate through a gap between the oil-resisting plate and the sealing plate, when the upper die returns to the initial position, the first gear drives the second gear and the second threaded rod to reversely rotate through the transmission belt, at the moment, the sealing plate ascends along the second threaded rod, the sealing plate extrudes the lubricating oil above the sealing plate along with the movement of the sealing plate, the lubricating oil above the sealing plate flows into the atomizer through the oil delivery hose, and is sprayed on the surface of the metal plate through the atomizer, the deformation degree of the metal plate is improved, the metal is prevented from being damaged during punching, and the labor is saved, and the working efficiency is improved.

Drawings

FIG. 1 is a schematic diagram of the whole structure of a stamping die of a sheet metal stamping part;

FIG. 2 is a cross-sectional view of one of the stamping dies of a sheet metal stamping of the present invention;

FIG. 3 is an enlarged view of part A of the stamping die of FIG. 2 of a sheet metal stamping part of the present invention;

FIG. 4 is a cross-sectional view of a stamping die for a sheet metal stamping of the present invention;

FIG. 5 is an enlarged view of part B of FIG. 4 of a stamping die for sheet metal stamping in accordance with the present invention;

FIG. 6 is a third cross-sectional view of a stamping die for a sheet metal stamping of the present invention;

FIG. 7 is a fourth cross-sectional view of a stamping die for a sheet metal stamping of the present invention;

fig. 8 is an enlarged view of part C of fig. 7 of a stamping die for a sheet metal stamping part according to the present invention.

In the figure: 1. a bottom plate; 2. a support plate; 3. a top plate; 4. a positioning mechanism; 41. side baffles; 42. a conveying roller; 43. a clamping assembly; 431. a first rotary groove; 432. a first rotating shaft; 433. a torsion spring I; 434. a positioning plate; 435. a first chute; 436. a clamping plate; 437. a bolt; 438. a first shaft fork; 439. a second chute; 4310. a first limit rod; 4311. a first telescopic spring; 4312. a second shaft fork; 4313. a connecting rod; 5. a stabilizing mechanism; 51. a first hydraulic rod; 52. an upper die; 53. a first threaded rod; 54. a guide groove; 55. a clamping assembly; 551. a clamping column; 552. a second limiting rod; 553. a third limit rod; 554. a second telescopic spring; 555. a chute III; 556. a top column; 557. a telescopic spring III; 56. a first gear; 57. a cutting knife; 6. a demoulding mechanism; 61. stamping a groove; 62. a lower die holder; 63. a guide post; 64. a second hydraulic rod; 65. a connecting plate; 66. demoulding column; 67. a knife slot; 7. a collection box; 8. an oil injection mechanism; 81. an oil tank; 82. a second threaded rod; 83. a second gear; 84. a transmission belt; 85. an oil delivery hose; 86. an atomizing nozzle; 87. a sealing plate; 88. a second rotary groove; 89. a second rotating shaft; 810. a torsion spring II; 811. and the oil resistance plate.

Description of the embodiments

In order to make the objects, technical solutions and advantages of the embodiments of the present invention more clear, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Thus, the following detailed description of the embodiments of the invention, as presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

In the description of the present invention, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "vertical", "horizontal", "inner", "outer", etc., are directions or positional relationships based on those shown in the drawings, or those that are conventionally put in use of the inventive product, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.

Furthermore, the terms "horizontal," "vertical," and the like do not denote a requirement that the component be absolutely horizontal or overhang, but rather may be slightly inclined. As "horizontal" merely means that its direction is more horizontal than "vertical", and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the present invention, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.

Referring to fig. 1 to 8, the invention provides a stamping die for a sheet metal stamping part, which comprises a bottom plate 1, a supporting plate 2 and a top plate 3, wherein a positioning mechanism 4 for clamping and fixing a sheet metal is arranged at the top end of the bottom plate 1, a stabilizing mechanism 5 for improving the stability of the sheet metal during stamping is arranged at the bottom end of the top plate 3, a demoulding mechanism 6 for demoulding after stamping of the sheet metal is arranged at one end of the bottom plate 1 below the stabilizing mechanism 5, a collecting box 7 for collecting the processed sheet metal is arranged at one side of the bottom plate 1 close to the demoulding mechanism 6, and an oil spraying mechanism 8 for spraying lubricating oil on the surface of the sheet metal is arranged at one side of the supporting plate 2.

Further, when carrying out punching press processing to the panel beating, carry out the centre gripping through positioning mechanism 4 to the panel beating, conveniently fix a position the panel beating, avoid there is the deviation between stamping die and the panel beating, carry out the punching press to the panel beating through the cooperation between stabilizing mean 5 and the demoulding mechanism 6, and stabilizing mean 5 makes the laminating that the panel beating can be better between stabilizing mean 5 and demoulding mechanism 6, produce when avoiding punching press to the panel beating and rock, influence the punching press effect of panel beating, demoulding mechanism 6 carries out the drawing of patterns to the panel beating after processing simultaneously, the panel beating after making processing gets into the inside of collecting box 7, more conveniently collect, oil spout mechanism 8 sprays lubricating oil to the surface of panel beating, improve the operating condition of mould, improve the deformation degree of panel beating.

The positioning mechanism 4 comprises two side baffles 41 which are respectively and fixedly arranged on two sides of the top end of the bottom plate 1, a conveying roller 42 is rotatably arranged between the two side baffles 41, and the conveying roller 42 is rotatably connected with the bottom plate 1.

The positioning mechanism 4 further comprises two clamping assemblies 43, the two clamping assemblies 43 comprise a first rotating groove 431 formed in the bottom plate 1, a first rotating shaft 432 is arranged in the first rotating groove 431 in a rotating mode, one end of the first rotating shaft 432, located in the first rotating groove 431, is sleeved with a first torsion spring 433, the first torsion spring 433 is fixedly connected with the first rotating groove 431, a positioning plate 434 is fixedly arranged on the outer side surface of the first rotating shaft 432, a first sliding groove 435 is formed in the positioning plate 434, a clamping plate 436 is arranged in the first sliding groove 435 in a sliding mode, a bolt 437 is arranged in the first sliding groove 435 in a rotating mode, and the bolt 437 is in threaded connection with the clamping plate 436.

Further, before processing the panel beating, place the panel beating between two side shield 41, the panel beating slides on the surface of conveyer roll 42 simultaneously, conveniently promote the panel beating, when the one end and the locating plate 434 extrusion connection of panel beating, make locating plate 434 drive pivot one 432 and use rotatory groove one 431 to rotate as the centre of a circle, simultaneously pivot one 432 drive torsional spring one 433 and rotate, when two clamping components 43 synchronous extrusion panel beating, the elasticity according to torsional spring one 433 drives locating plate 434 and carries out the centre of a clamp to the panel beating, conveniently fix a position the panel beating, avoid there is the deviation between stamping die and the panel beating, simultaneously when the one end of panel beating arrives between stabilizing mean 5 and demoulding mechanism 6, rotate bolt 437, make splint 436 slide along spout one 435, splint 436 are fixed the panel beating, produce when avoiding cutting the panel beating and rock, make the panel beating of cutting exist the deviation.

The locating plate 434 is provided with the first bracket 438 of fixed one side that keeps away from splint 436, spout second 439 has been seted up to the inboard of side shield 41, the inside of spout second 439 is provided with gag lever post first 4310 fixedly, the outside cover of gag lever post first 4310 is equipped with the first 4311 of telescopic spring, the inside slip of spout second 439 is provided with the second bracket 4312, second bracket 4312 and telescopic spring first 4311 fixed connection, and second bracket 4312 runs through sliding connection with gag lever post first 4310, cover is equipped with same connecting rod 4313 between second bracket 4312 and the first bracket 438, and connecting rod 4313 rotates with second bracket 4312, first bracket 438 and is connected.

Further, when the positioning plate 434 drives the first rotary shaft 432 to rotate around the first rotary groove 431, the positioning plate 434 drives the first shaft fork 438 to move, meanwhile, the first shaft fork 438 drives the second shaft fork 4312 to slide in the second chute 439 through the connecting rod 4313, meanwhile, two ends of the connecting rod 4313 rotate in the first shaft fork 438 and the second shaft fork 4312 respectively, meanwhile, the second shaft fork 4312 slides along the first limiting rod 4310, and the second shaft fork 4312 presses the first telescopic spring 4311, when the positioning plate 434 clamps the metal plate and does not move any more, the first telescopic spring 4311 props against the second shaft fork 4312 according to the elasticity of the first telescopic spring 4311, meanwhile, the second shaft fork 4312 props against the first shaft fork 438 through the connecting rod 4313, the first shaft fork 438 props against the positioning plate 434, so that the positioning plate 434 is more stable when clamping and positioning are carried out, and the metal plate 434 is prevented from shaking.

The stabilizing mechanism 5 comprises a first hydraulic rod 51 fixedly arranged at the top end of the top plate 3, an upper die 52 is fixedly arranged at the output end of the first hydraulic rod 51, a first threaded rod 53 is fixedly arranged at the top end of the upper die 52, the first threaded rod 53 is in penetrating sliding connection with the top plate 3, a guide groove 54 is formed in one side of the upper die 52, a first gear 56 is sleeved on the outer side of the first threaded rod 53, the first gear 56 is in rotating connection with the top plate 3, and a cutting knife 57 is fixedly arranged at the bottom end of one side, close to the clamping assembly 43, of the upper die 52.

Further, when one end of the metal plate reaches between the stabilizing mechanism 5 and the demoulding mechanism 6, the first hydraulic rod 51 is started, the output end of the first hydraulic rod 51 drives the upper die 52 to move to the inside of the punching groove 61, the upper die 52 drives the cutting knife 57 to move, the cutting knife 57 cuts the metal plate needing to be processed, the cutting knife 57 enters the inside of the knife groove 67 after the cutting is finished, the cut metal plate is punched into omega-shaped through the cooperation between the lower die holder 62 and the upper die 52, and the metal plate is punched through cutting firstly and then punching, so that the metal plate is better formed, and the working efficiency is improved.

The stabilizing device 5 further comprises two clamping assemblies 55, the two clamping assemblies 55 are arranged inside the upper die 52 in a rotating mode, a second limiting rod 552 is fixedly arranged at one end of the clamping column 551, a third limiting rod 553 is fixedly arranged on one side, close to the second limiting rod 552, of the upper die 52, the second limiting rod 552 and the third limiting rod 553 are fixedly provided with a second telescopic spring 554, a third sliding groove 555 is formed in the bottom end of the upper die 52, a jacking column 556 is arranged in the third sliding groove 555 in a sliding mode, a third telescopic spring 557 is fixedly arranged at the top end of the jacking column 556, and the other end of the third telescopic spring 557 is fixedly connected with the third sliding groove 555.

Further, when the upper die 52 gets into the inside of punching press groove 61, the lower die holder 62 carries out the cooperation with upper die 52 and punches the panel beating, this moment panel beating extrusion clip post 551 breach department is less than the one end of upper die 52 recess department, make clip post 551 drive gag lever post two 552 rotate, and gag lever post two 552 pulling telescopic spring two 554, card post 551 rotates the other end extrusion panel beating of messenger clip post 551 breach department this moment, make the panel beating laminate the surface of lower die holder 62 tightly, avoid producing rocking when punching press the panel beating, influence the punching press effect of panel beating, the panel beating extrusion jack post 556 removes simultaneously, make jack post 556 extrusion telescopic spring three 557 enter into the inside of spout three 555, and after the punching press is finished, hydraulic rod one 51 drives upper die 52 and gets back to initial position, upper die 52 and panel beating no longer extrudeed and are connected, telescopic spring two 554 resilience is through gag lever three 553 with gag lever post two 552 pulling back initial position, limit post two 552 drive clip post 551 no longer with extrusion connection make the convenience next time use, telescopic spring three 557 drives jack post 556 extrusion panel beating, the inside of upper die 52, avoid demoulding after the panel beating, it is processed more convenient to make the panel beating after the inside of upper die 52 to have been processed.

The demoulding mechanism 6 comprises a stamping groove 61 formed in one end of the bottom plate 1 below the upper die 52, a lower die holder 62 is fixedly arranged in the stamping groove 61, guide posts 63 are fixedly arranged on two sides of the stamping groove 61 respectively, the guide posts 63 are located on two sides of the lower die holder 62, the guide posts 63 are matched with the guide grooves 54, and a clamping post 551 and a jacking post 556 are movably connected with the lower die holder 62 in an extrusion mode.

The inside of punching press groove 61 is fixed and is provided with hydraulic stem two 64, and the output of hydraulic stem two 64 is fixed and is provided with connecting plate 65, and the both sides of connecting plate 65 are fixed respectively and are provided with drawing of patterns post 66, connecting plate 65 and die holder 62 movable extrusion connection, and knife groove 67 has been seted up to the bottom of punching press groove 61, and knife groove 67 and cutting knife 57 adaptation, and one side of punching press groove 61 can be dismantled and be provided with collection box 7.

Further, when the metal plate after stamping is located on the surface of the lower die holder 62, the second hydraulic rod 64 is started, the output end of the second hydraulic rod 64 drives the connecting plate 65 to move, the connecting plate 65 drives the demolding column 66 to move, the demolding column 66 drops the processed metal plate from the surface of the lower die holder 62, meanwhile, the demolding column 66 is pushed to push the metal plate to drop into the collecting box 7 from a gap between the lower die holder 62 and the guiding column 63, the processed metal plate is collected, the working efficiency is improved, when the metal plate moves to the inside of the stamping groove 61 through the positioning mechanism 4, one side of the guiding column 63, close to the lower die holder 62, clamps the metal plate, the metal plate is prevented from dropping, and when the upper die 52 enters the inside of the stamping groove 61, and the lower die holder 62 is matched with the upper die 52 for stamping, the guiding column 63 is matched with the guiding groove 54, so that deviation is not generated when the upper die 52 is matched with the lower die holder 62, and the stamping is more stable.

The oil injection mechanism 8 comprises an oil tank 81 fixedly arranged on one side of the supporting plate 2, a threaded rod II 82 is arranged in the oil tank 81 in a rotating mode, the threaded rod II 82 penetrates through the oil tank 81 and the top plate 3, a gear II 83 is arranged on the top end of the top plate 3 in a rotating mode, the gear II 83 is fixedly connected with the threaded rod II 82, the gear II 83 and the gear I56 are sleeved with the same transmission belt 84, one side of the oil tank 81 is communicated with an oil conveying hose 85, an atomizing nozzle 86 is fixedly arranged at one end, close to the conveying roller 42, of the bottom plate 1, and the atomizing nozzle 86 and the oil conveying hose 85 are far away from the other end of the oil tank 81.

The inside sealed slip of oil tank 81 is provided with closing plate 87, and closing plate 87 and threaded rod second 82 spiro union, and rotatory groove second 88 has been seted up to the one end of closing plate 87, and the inside rotation of rotatory groove second 88 is provided with pivot second 89, and pivot second 89 is located the inside both ends of rotatory groove second 88 and fixedly respectively is provided with torsional spring second 810, and the outside of pivot second 89 is fixedly provided with the oil resistance plate 811, and oil resistance plate 811 and closing plate 87 movable extrusion are connected, and oil resistance plate 811 and the inner wall extrusion of oil tank 81 are connected.

Further, when the upper die 52 moves down, the upper die 52 drives the threaded rod one 53 to move down, because the first gear 56 is in threaded connection with the threaded rod one 53, so the first gear 56 rotates along the threaded rod one 53, and meanwhile, the first gear 56 drives the second gear 83 to rotate through the transmission belt 84, the second gear 83 drives the second threaded rod 82 to rotate in the oil tank 81, so the sealing plate 87 moves down along the second threaded rod 82, and the sealing plate 87 extrudes lubricating oil in the oil tank 81, so the lubricating oil in the oil tank 81 extrudes the oil-resisting plate 811, the oil-resisting plate 811 drives the rotating shaft two 89 to rotate along the interior of the rotating groove two 88, and the rotating shaft two 89 twists the torsion spring two 810, at this time, the lubricating oil enters the upper side of the sealing plate 87 through a gap between the oil-resisting plate 811 and the sealing plate 87, when the upper die 52 returns to the initial position, the first threaded rod 53 and the first gear 56 drive the second gear 83 and the second gear 82 to rotate reversely through the transmission belt 84, and at this time the sealing plate 87 ascends along the second threaded rod 82, the lubricating oil above the sealing plate 87 is extruded by the sealing plate 87, and the torsion spring 810 extrudes the lubricating oil above the sealing plate 87, so the lubricating oil above the sealing plate 87 is extruded by the sealing plate 87, the two torsion spring is prevented from flowing into the metal plate 87, the metal plate is prevented from being damaged, and the spraying the lubricating oil on the surface of the metal plate is avoided, and the working plate is sprayed on the surface of the metal plate by the sealing plate 87.

Working principle: before the metal plate is processed, the metal plate is placed between the two side baffles 41, the metal plate slides on the surface of the conveying roller 42, the metal plate is conveniently pushed, when one end of the metal plate is connected with the positioning plate 434 in an extrusion mode, the positioning plate 434 drives the first rotating shaft 432 to rotate by taking the first rotating groove 431 as the center of a circle, the first rotating shaft 432 drives the first torsion spring 433 to rotate, when the two clamping assemblies 43 synchronously extrude the metal plate, the positioning plate 434 is driven to clamp the metal plate according to the elasticity of the first torsion spring 433, when one end of the metal plate reaches between the stabilizing mechanism 5 and the demolding mechanism 6, the bolt 437 is rotated, the clamping plate 436 slides along the first sliding groove 435, the clamping plate 436 fixes the metal plate, when the positioning plate 434 rotates, the positioning plate 434 drives the first shaft fork 438 to move, and the first shaft fork 438 drives the second shaft fork 4312 to slide in the second sliding groove 439 through the connecting rod 4313, simultaneously, two ends of the connecting rod 4313 respectively rotate in the first shaft fork 438 and the second shaft fork 4312, simultaneously the second shaft fork 4312 slides along the first limit rod 4310, the second shaft fork 4312 extrudes the first telescopic spring 4311, according to the elasticity of the first telescopic spring 4311, the first telescopic spring 4311 supports the positioning plate 434 through the second shaft fork 4312, the connecting rod 4313 and the first shaft fork 438, so that the positioning plate 434 is more stable when clamping and positioning the metal plate, when one end of the metal plate reaches between the stabilizing mechanism 5 and the demolding mechanism 6, the first hydraulic rod 51 is started, the output end of the first hydraulic rod 51 drives the upper die 52 to move into the stamping groove 61, the metal plate is stamped into an omega shape through the cooperation between the lower die holder 62 and the upper die 52, at the moment, the notch of the metal plate extrusion clamping column 551 is lower than one end of the groove of the upper die 52, the clamping column 551 drives the second limit rod 552 to rotate, and the second limit rod 552 pulls the second telescopic spring 554, at this time, the clamping column 551 rotates to enable the other end of the notch of the clamping column 551 to squeeze the metal plate, so that the metal plate is tightly attached to the surface of the lower die holder 62, shaking is avoided when the metal plate is punched, after punching is finished, the expansion spring III 557 rebounds to drive the jacking column 556 to squeeze the metal plate, the metal plate is prevented from being clamped in the upper die 52, the machined metal plate is more convenient to demould, when the punched metal plate is positioned on the surface of the lower die holder 62, the hydraulic rod II 64 is started, the output end of the hydraulic rod II 64 drives the connecting plate 65 to move, the connecting plate 65 drives the demoulding column 66 to move, the demoulding column 66 drops the machined metal plate from the surface of the lower die holder 62, meanwhile, the demoulding column 66 is pushed to push the metal plate to drop into the collecting box 7 from a gap between the lower die holder 62 and the guide column 63, the working efficiency is improved, when the upper die 52 moves downwards, the upper die 52 drives the first threaded rod 53 to move downwards, the first gear 56 is in threaded connection with the first threaded rod 53, so that the first gear 56 rotates along the first threaded rod 53, meanwhile, the first gear 56 drives the second gear 83 to rotate through the driving belt 84, the second gear 83 drives the second threaded rod 82 to rotate in the oil tank 81, the sealing plate 87 moves downwards along the second threaded rod 82, and the sealing plate 87 presses lubricating oil in the oil tank 81, so that the lubricating oil in the oil tank 81 presses the oil-resisting plate 811, the oil-resisting plate 811 drives the second rotating shaft 89 to rotate along the inner part of the second rotating groove 88, the second rotating shaft 89 twists the second torsion spring 810, at the moment, the lubricating oil enters the upper portion of the sealing plate 87 through a gap between the oil-resisting plate 811 and the sealing plate 87, when the upper die 52 returns to the initial position, the first threaded rod 53 and the first gear 56 drive the second gear 83 and the second threaded rod 82 to rotate reversely through the driving belt 84, at the moment, the sealing plate 87 rises along the second threaded rod 82, the sealing plate 87 extrudes the lubricating oil of top, along with the lubricating oil of sealing plate 87 removal extrusion sealing plate 87 top, flows into the inside of atomizer 86 with lubricating oil through defeated oil hose 85 to spray the surface at the panel beating through atomizer 86, improve the deformation degree of panel beating, make the panel beating avoid damaging when the punching press.

Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a stamping die of panel beating stamping workpiece, includes bottom plate (1), backup pad (2), roof (3), its characterized in that, the top of bottom plate (1) is provided with carries out fixed positioning mechanism (4) of centre gripping to the panel beating, the bottom of roof (3) is provided with stabilizing mean (5) to stability when improving the panel beating punching press, the one end that bottom plate (1) is located stabilizing mean (5) below is provided with demoulding mechanism (6) to the drawing of patterns after the panel beating punching press processing, one side that bottom plate (1) is close to demoulding mechanism (6) is provided with collection box (7) of collecting the panel beating after the processing, one side of backup pad (2) is provided with oil spout mechanism (8) of lubricating oil to panel beating surface.

2. A stamping method of a stamping die for a sheet metal stamping part according to claim 1, characterized in that when the sheet metal is processed, the sheet metal is placed between two side baffles (41), meanwhile, the sheet metal slides on the surface of a conveying roller (42), when one end of the sheet metal is in extrusion connection with a positioning plate (434), the positioning plate (434) drives a first rotating shaft (432) to rotate around a rotating groove (431), the first rotating shaft (432) drives a torsion spring (433) to rotate, when two clamping assemblies (43) synchronously extrude the sheet metal, the positioning plate (434) is driven to clamp the sheet metal according to the elasticity of the first torsion spring (433), when one end of the sheet metal reaches between a stabilizing mechanism (5) and a demoulding mechanism (6), a bolt (437) is rotated, so that a clamping plate (436) slides along a sliding groove (435), the clamping plate (436) is fixed, and when the positioning plate (434) rotates, the positioning plate (434) drives a first shaft fork (438) to move, and simultaneously the first shaft fork (438) drives a second shaft fork (4312) to slide inside a first shaft fork (4313) through a connecting rod 4313) and simultaneously slide a second shaft fork (4312) to slide inside a first shaft fork 4312 (4312) and simultaneously along a second shaft fork 4312 (4312) to slide inside a first shaft fork 4312, according to the elasticity of the first telescopic spring (4311), the first telescopic spring (4311) is propped against the positioning plate (434) through the second shaft fork (4312), the connecting rod (4313) and the first shaft fork (438).

3. The method according to claim 2, wherein when one end of the metal plate reaches between the stabilizing mechanism (5) and the demolding mechanism (6), the first hydraulic rod (51) is started, the output end of the first hydraulic rod (51) drives the upper die (52) to move into the stamping groove (61), the metal plate is stamped into an omega shape through the cooperation between the lower die holder (62) and the upper die (52), at the moment, the metal plate presses one end of the notch of the clamping column (551) lower than one end of the notch of the upper die (52), the clamping column (551) drives the second limiting rod (552) to rotate, the second limiting rod (552) pulls the second telescopic spring (554), at the moment, the clamping column (551) rotates to enable the other end of the notch of the clamping column (551) to press the metal plate, and the metal plate is tightly attached to the surface of the lower die holder (62).

4. The method of claim 3, wherein after stamping is completed, the third telescopic spring (557) is used for rebounding to drive the top column (556) to squeeze the metal plate, the metal plate is prevented from being clamped in the upper die (52), the processed metal plate is more convenient to strip, when the stamped metal plate is positioned on the surface of the lower die holder (62), the second hydraulic rod (64) is started, the output end of the second hydraulic rod (64) drives the connecting plate (65) to move, the connecting plate (65) drives the stripping column (66) to move, the stripping column (66) is used for stripping the processed metal plate from the surface of the lower die holder (62), meanwhile, the stripping column (66) is pushed to push the metal plate to fall into the collecting box (7) from a gap between the lower die holder (62) and the guide column (63), the processed metal plate is collected, when the upper die (52) moves down, the first threaded rod (53) is driven to move down, the first gear (56) is screwed with the first threaded rod (53), the first threaded rod (56) rotates along the first threaded rod (53), the second threaded rod (82) is driven by the first gear (84) to rotate the second threaded rod (82) along the second threaded rod (82) through the gear (83), and sealing plate (87) extrudees oil in oil tank (81), makes the inside lubricating oil extrusion oil resistance board (811) of oil tank (81), and oil resistance board (811) drive pivot two (89) rotate along the inside of rotatory groove two (88) to pivot two (89) torsion spring two (810), and lubricating oil enters into the top of sealing plate (87) through the gap between oil resistance board (811) and sealing plate (87) this moment.

5. The method according to claim 4, wherein when the upper die (52) returns to the initial position, the first threaded rod (53) and the first gear (56) drive the second gear (83) and the second threaded rod (82) to reversely rotate through the transmission belt (84), at this time, the sealing plate (87) ascends along the second threaded rod (82), the sealing plate (87) extrudes the lubricating oil above the sealing plate (87), and the lubricating oil is extruded above the sealing plate (87) along with the movement of the sealing plate (87), flows into the inside of the atomizer (86) through the oil delivery hose (85), and is sprayed on the surface of the metal plate through the atomizer (86).